From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mu-out-0910.google.com (mu-out-0910.google.com [209.85.134.189]) by ozlabs.org (Postfix) with ESMTP id A3161DE0E7 for ; Fri, 4 Apr 2008 01:04:16 +1100 (EST) Received: by mu-out-0910.google.com with SMTP id w8so4902775mue.1 for ; Thu, 03 Apr 2008 07:04:13 -0700 (PDT) Message-ID: <9b4863980804030704t4f6c7d54xe2085a132a20ee73@mail.gmail.com> Date: Thu, 3 Apr 2008 10:04:12 -0400 From: "mejjad lahcen" To: linuxppc-embedded@ozlabs.org. Subject: interrupt latency spi MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_909_10772471.1207231452327" List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , ------=_Part_909_10772471.1207231452327 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline hi all of you , I am wndering if someone has already done test for interrupt latency on linx 2.6.23 mpc5200b. I am working on writing a driver which is get SPi involved on design, and I know that the spi interrupt will occurs at every 2 us ( speed 4 MHz interupt occurs when It recieves on bytes) so I am worring about interrupt latency. I dont know if someone has any suggestions or a litle advice. cheers ------=_Part_909_10772471.1207231452327 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline hi all of you ,
I am wndering if someone has already done test for interrupt latency on  linx 2.6.23 mpc5200b.
I am working on writing a driver which is get SPi involved on design, and I know that the  spi interrupt will occurs at every 2 us ( speed 4 MHz interupt occurs when It recieves on bytes) so  I am worring about interrupt latency.
 I dont know if someone has any suggestions or a litle advice.
cheers
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